CVE-2023-23540

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

The issue was addressed with improved memory handling. This issue is fixed in iOS 15.7.8 and iPadOS 15.7.8, macOS Monterey 12.6.4, iOS 16.4 and iPadOS 16.4, macOS Big Sur 11.7.5. An app may be able to execute arbitrary code with kernel privileges.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected software

Vendor	Product	Versions
Apple	iOS and iPadOS	>= unspecified, < 16.4
Apple	macOS	>= unspecified, < 12.6
Apple	macOS	>= unspecified, < 11.7
Apple	iOS and iPadOS	>= unspecified, < 15.7

References

https://support.apple.com/en-us/HT213675Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213676Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213677Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213842Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213675Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213676Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213677Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213842Release Notes, Vendor Advisory

Timeline

Published: May 8, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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